Echo: keycloak-25: security update to 25.0.6+e1org.keycloak:keycloak-saml-core: security update to 26.6.2

high Tenable Cloud Security Plugin ID 463538

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to
the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and
worker thread starvation, leading to a Denial of Service (DoS) where the server becomes unavailable.
(CVE-2026-7307)

Solution

Update the keycloak-25 library and its related packages to version 25.0.6+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-7307

Plugin Details

Severity: High

ID: 463538

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.62

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-7307

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-7307